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What does collateral circulation mean?

2 doctors weighed in
Dr. Robert Cuff
Surgery - Vascular
1 doctor agrees

In brief: Accessory pathways

Collateral circulation is a term used to describe alternative pathways of blood flow that become prominent when a main vessel is blocked.
These smaller vessels exist in everyone but are usually very small if the normal pathway is open. Some areas of the body have more secondary branches to provide collateral circulation than others.

In brief: Accessory pathways

Collateral circulation is a term used to describe alternative pathways of blood flow that become prominent when a main vessel is blocked.
These smaller vessels exist in everyone but are usually very small if the normal pathway is open. Some areas of the body have more secondary branches to provide collateral circulation than others.
Dr. Robert Cuff
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